{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "biomedical", "application", "enabling technology", "manufacturing standard", "manufacturing process"], "input": "A high energy source is used to melt metals that are delivered in either powder or wire form ."}
{"concept or principle": ["melt"], "biomedical": [], "application": ["source"], "enabling technology": [], "manufacturing standard": [], "manufacturing process": []}